Katy Perry and Grammy winner Kacey Musgraves will swap songs and stories on a new episode of CMT Crossroads premiering June 13 on CMT!CMT Crossroads: Katy Perry and Kacey Musgraves was taped recently in Los Angeles and will feature exclusive collaborations of their hits, including Perry's "Roar" and "Teenage Dream" and Musgraves' "Follow Your Arrow" and "Merry Go 'Round."